Atmos C 051 Thorax Operating Instructions Manual page 43

Immunity Test
Voltage Dips / Dropout
IEC 61000-4-11
NOTE U is the mains alternating current prior to application of the test levels.
T
IEC 60601-Test Level
< 5 % U
T
(> 95 % Dip of the U )
T
for 0.5 Cycles
40 % U
T
(60% Dip of the U )
T
for 5 Cycles
70% U
T
(30 % Dip of the U )
T
for 25 Cycles
< 5 % U
T
(>95 % Dip of the U )
T
for 5 s
Compliance Level
< 5 % U
T
(> 95 % Dip of the U )
T
for 0.5 Cycles
40 % U
T
(60% Dip of the U )
T
for 5 Cycles
70% U
T
(30 % Dip of the U )
T
for 25 Cycles
< 5 % U
T
(>95 % Dip of ther U )
T
for 5 s
Electromagnetic Environ-
ment - Guidance
Mains power quality
should be that
of a typical commercial or
hospital environment. If
the user of the
ATMOS C 051 Thorax
®
demands continued func-
tion even in case of
interruptions of the en-
ergy supply, it is recom-
mended to supply the
ATMOS C 051 Thorax
®
from an uninterruptible
current supply or a
battery.
43